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An Evaluation of Host Fish Suitability for Glochidia of Villosa Vanuxemi and V. nebulosa (Pelecypoda: Unionidae)
Richard J. Neves, Lynn R. Weaver and Alexander V. Zale
The American Midland Naturalist
Vol. 113, No. 1 (Jan., 1985), pp. 13-19
Published by: The University of Notre Dame
Stable URL: http://www.jstor.org/stable/2425343
Page Count: 7
You can always find the topics here!Topics: Freshwater fishes, Fish, Mussels, Parasite hosts, Freshwater bass, Sculpin, Juveniles, Rivers, Infestation, Chemicals
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Fish species congeneric with previously identified hosts, as well as exotic fishes (Xiphophorus variatus and Tilapia aurea) and the mosquitofish (Gambusia affinis), were exposed to glochidia of Villosa vanuxemi or V nebulosa to determine whether phylogenetically similar fishes can serve as hosts. Glochidia of V. vanuxemi metamorphosed on black (Cottus baileyi), mottled (C. bairdi) and slimy (C. cognatus) sculpins, and glochidia of V nebulosa metamorphosed on spotted (Micropterus punctulatus), largemouth (M. salmoides) and Suwannee (M. notius) basses and the mosquitofish. Exotic fishes were unsuitable hosts. A review of previous in vivo and in vitro studies suggests that chemical components of the blood serum in fishes, as yet unidentified, dictate host suitability to specific glochidia.
The American Midland Naturalist © 1985 The University of Notre Dame